Home / 28,812.89-43,235.73-23,006.40

Finding the Fourth Proportional to 28,812.89, 43,235.73 and 23,006.40

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Solution

The fourth proportional to 28,812.89, 43,235.73 and 23,006.40 is: 34,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.89 : 43,235.73 = 23,006.40 : x
  2. Step 2: Convert to fraction form
    28,812.89/43,235.73 = 23,006.40/x
  3. Step 3: Cross multiply
    28,812.89x = 43,235.73 × 23,006.40
  4. Step 4: Simplify right side
    28,812.89x = 994,698,498.67
  5. Step 5: Solve for x
    x = 994,698,498.67/28,812.89
  6. Step 6: Final answer
    x = 34,522.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.